/*
 * DiSNI: Direct Storage and Networking Interface
 *
 * Author: Patrick Stuedi <stu@zurich.ibm.com>
 *
 * Copyright (C) 2016-2018, IBM Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.ibm.disni.verbs;

import java.io.IOException;

/**
 * The Class SVCPostRecv.
 * 
 * This class is a stateful representation of the post-recv verb call (RdmaVerbs.postRecv). 
 */
public abstract class SVCPostRecv implements StatefulVerbCall<SVCPostRecv> {

	/**
	 * Access a specific work request of this SVC object.
	 *
	 * @param index the work request
	 * @return the work request
	 * @throws Exception in case the index is out-of-bound.
	 */
	public abstract RecvWRMod getWrMod(int index) throws IOException;
	
	/**
	 * Provides access methods to modify a given work-request belonging to this SVC object.
	 */
	public interface RecvWRMod {
		
		/**
		 * Retrieve the current work-request id 
		 *
		 * @return the wr_id
		 */
		long getWr_id();
	}	
	
}
